Fusion cage



FIG. 1 is a front perspective view of the fusion cage;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the views are included for the purpose ofillustrating portions of the fusion cage that form no part of theclaimed design.

CLAIM The ornamental design for a fusion cage, as shown and described.